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%%
%% This is file `expl3.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% expl3.dtx (with options: `package,loader')
%%
%% Copyright (C) 1990-2020 The LaTeX3 Project
%%
%% It may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License (LPPL), either version 1.3c of
%% this license or (at your option) any later version. The latest
%% version of this license is in the file:
%%
%% https://www.latex-project.org/lppl.txt
%%
%% This file is part of the "l3kernel bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% File: expl3.dtx
\def\ExplFileDate{2020-04-06}%
\let\ExplLoaderFileDate\ExplFileDate
\ProvidesPackage{expl3}
[%
\ExplFileDate\space
L3 programming layer (loader)
]%
\protected\def\ProvidesExplPackage#1#2#3#4%
{%
\ProvidesPackage{#1}[#2 \ifx\relax#3\relax\else v#3\space\fi #4]%
\ExplSyntaxOn
}%
\protected\def\ProvidesExplClass#1#2#3#4%
{%
\ProvidesClass{#1}[#2 \ifx\relax#3\relax\else v#3\space\fi #4]%
\ExplSyntaxOn
}%
\protected\def\ProvidesExplFile#1#2#3#4%
{%
\ProvidesFile{#1}[#2 \ifx\relax#3\relax\else v#3\space\fi #4]%
\ExplSyntaxOn
}%
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname tex\string _let:D\endcsname\relax
\expandafter\@firstofone
\else
\expandafter\@gobble
\fi
{\input{expl3-code.tex}}%
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname tex\string _let:D\endcsname\relax
\expandafter\endinput
\fi
\ifdefined\@pushfilenameaux
\ExplSyntaxOn
\fi
\cs_if_exist:NF \c__expl_def_ext_tl
{ \tl_const:Nn \c__expl_def_ext_tl { def } }
\cs_gset_protected:Npn \__kernel_sys_configuration_load:n #1
{
\ExplSyntaxOff
\cs_undefine:c { ver@ #1 .def }
\@onefilewithoptions {#1} [ ] [ ]
\c__expl_def_ext_tl
\ExplSyntaxOn
}
\cs_gset_protected:Npn \__kernel_sys_configuration_load_std:n #1
{
\cs_undefine:c { ver@ #1 .def }
\@onefilewithoptions {#1} [ ] [ ]
\c__expl_def_ext_tl
}
\cs_if_exist:NF \l__expl_options_clist
{ \clist_new:N \l__expl_options_clist }
\DeclareOption*
{ \clist_put_right:NV \l__expl_options_clist \CurrentOption }
\ProcessOptions \relax
\keys_define:nn { sys }
{
backend .choices:nn =
{ dvipdfmx , dvips , dvisvgm , pdfmode , xdvipdfmx }
{ \sys_load_backend:n {#1} } ,
check-declarations .code:n =
{
\sys_load_debug:
\debug_on:n { check-declarations }
} ,
driver .meta:n = { backend = #1 } ,
enable-debug .code:n =
\sys_load_debug: ,
log-functions .code:n =
{
\sys_load_debug:
\debug_on:n { log-functions }
} ,
suppress-backend-headers .bool_gset_inverse:N
= \g__kernel_backend_header_bool ,
suppress-backend-headers .initial:n = false ,
undo-recent-deprecations .code:n =
{
\bool_gset_true:N \g__kernel_deprecation_undo_recent_bool
\sys_load_deprecation:
}
}
\keys_set:nV { sys } \l__expl_options_clist
\str_if_exist:NF \c_sys_backend_str
{ \sys_load_backend:n { } }
\cs_if_exist:NT \@pushfilenameaux
{
\cs_gset_eq:NN \__kernel_sys_configuration_load:n
\__kernel_sys_configuration_load_std:n
\endinput
}
\cs_if_free:cTF { ver@expl3.sty }
{
\tex_everyjob:D \exp_after:wN
{
\tex_the:D \tex_everyjob:D
\sys_everyjob:
}
}
{ \sys_everyjob: }
\tl_put_left:Nn \@pushfilename
{
\exp_args:Nx \__kernel_file_input_push:n
{
\tl_to_str:N \@currname
\tl_to_str:N \@currext
}
\tl_put_left:Nx \l__expl_status_stack_tl
{
\bool_if:NTF \l__kernel_expl_bool
{ 1 }
{ 0 }
}
\ExplSyntaxOff
}
\tl_put_right:Nn \@pushfilename { \@pushfilenameaux }
\cs_set_protected:Npn \@pushfilenameaux #1#2#3
{
\str_gset:Nn \g_file_curr_name_str {#3}
#1 #2 {#3}
}
\tl_put_right:Nn \@popfilename
{
\__kernel_file_input_pop:
\tl_if_empty:NTF \l__expl_status_stack_tl
{ \ExplSyntaxOff }
{ \exp_after:wN \__expl_status_pop:w \l__expl_status_stack_tl \q_stop }
}
\cs_gset_protected:Npn \__expl_status_pop:w #1#2 \q_stop
{
\tl_set:Nn \l__expl_status_stack_tl {#2}
\int_if_odd:nTF {#1}
{ \ExplSyntaxOn }
{ \ExplSyntaxOff }
}
\tl_if_exist:NF \l__expl_status_stack_tl
{
\tl_new:N \l__expl_status_stack_tl
\tl_set:Nn \l__expl_status_stack_tl { 0 }
}
\cs_gset_eq:NN \__kernel_sys_configuration_load:n
\__kernel_sys_configuration_load_std:n
%%
%%
%% End of file `expl3.sty'.
|
